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| Mirrors > Home > MPE Home > Th. List > logf1o | Structured version Visualization version GIF version | ||
| Description: The natural logarithm function maps the nonzero complex numbers one-to-one onto its range. (Contributed by Paul Chapman, 21-Apr-2008.) |
| Ref | Expression |
|---|---|
| logf1o | ⊢ log:(ℂ ∖ {0})–1-1-onto→ran log |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eff1o2 26635 | . . 3 ⊢ (exp ↾ ran log):ran log–1-1-onto→(ℂ ∖ {0}) | |
| 2 | f1ocnv 6819 | . . 3 ⊢ ((exp ↾ ran log):ran log–1-1-onto→(ℂ ∖ {0}) → ◡(exp ↾ ran log):(ℂ ∖ {0})–1-1-onto→ran log) | |
| 3 | 1, 2 | ax-mp 5 | . 2 ⊢ ◡(exp ↾ ran log):(ℂ ∖ {0})–1-1-onto→ran log |
| 4 | dflog2 26632 | . . 3 ⊢ log = ◡(exp ↾ ran log) | |
| 5 | f1oeq1 6794 | . . 3 ⊢ (log = ◡(exp ↾ ran log) → (log:(ℂ ∖ {0})–1-1-onto→ran log ↔ ◡(exp ↾ ran log):(ℂ ∖ {0})–1-1-onto→ran log)) | |
| 6 | 4, 5 | ax-mp 5 | . 2 ⊢ (log:(ℂ ∖ {0})–1-1-onto→ran log ↔ ◡(exp ↾ ran log):(ℂ ∖ {0})–1-1-onto→ran log) |
| 7 | 3, 6 | mpbir 233 | 1 ⊢ log:(ℂ ∖ {0})–1-1-onto→ran log |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 208 = wceq 1561 ∖ cdif 3902 {csn 4583 ◡ccnv 5647 ran crn 5649 ↾ cres 5650 –1-1-onto→wf1o 6520 ℂcc 11082 0cc0 11084 expce 16101 logclog 26626 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1816 ax-4 1830 ax-5 1931 ax-6 1988 ax-7 2029 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5228 ax-sep 5247 ax-nul 5257 ax-pow 5323 ax-pr 5391 ax-un 7718 ax-inf2 9594 ax-cnex 11140 ax-resscn 11141 ax-1cn 11142 ax-icn 11143 ax-addcl 11144 ax-addrcl 11145 ax-mulcl 11146 ax-mulrcl 11147 ax-mulcom 11148 ax-addass 11149 ax-mulass 11150 ax-distr 11151 ax-i2m1 11152 ax-1ne0 11153 ax-1rid 11154 ax-rnegex 11155 ax-rrecex 11156 ax-cnre 11157 ax-pre-lttri 11158 ax-pre-lttrn 11159 ax-pre-ltadd 11160 ax-pre-mulgt0 11161 ax-pre-sup 11162 ax-addf 11163 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1100 df-3an 1101 df-tru 1564 df-fal 1574 df-ex 1801 df-nf 1805 df-sb 2092 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3368 df-reu 3369 df-rab 3416 df-v 3457 df-sbc 3746 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-tp 4588 df-op 4590 df-uni 4867 df-int 4907 df-iun 4952 df-iin 4953 df-br 5102 df-opab 5164 df-mpt 5183 df-tr 5209 df-id 5543 df-eprel 5548 df-po 5556 df-so 5557 df-fr 5601 df-se 5602 df-we 5603 df-xp 5654 df-rel 5655 df-cnv 5656 df-co 5657 df-dm 5658 df-rn 5659 df-res 5660 df-ima 5661 df-pred 6288 df-ord 6349 df-on 6350 df-lim 6351 df-suc 6352 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-f1 6526 df-fo 6527 df-f1o 6528 df-fv 6529 df-isom 6530 df-riota 7353 df-ov 7399 df-oprab 7400 df-mpo 7401 df-of 7660 df-om 7847 df-1st 7970 df-2nd 7971 df-supp 8141 df-frecs 8262 df-wrecs 8293 df-recs 8342 df-rdg 8381 df-1o 8437 df-2o 8438 df-er 8678 df-map 8810 df-pm 8811 df-ixp 8880 df-en 8928 df-dom 8929 df-sdom 8930 df-fin 8931 df-fsupp 9306 df-fi 9355 df-sup 9386 df-inf 9387 df-oi 9456 df-card 9909 df-pnf 11229 df-mnf 11230 df-xr 11231 df-ltxr 11232 df-le 11233 df-sub 11427 df-neg 11428 df-div 11856 df-nn 12221 df-2 12290 df-3 12291 df-4 12292 df-5 12293 df-6 12294 df-7 12295 df-8 12296 df-9 12297 df-n0 12492 df-z 12579 df-dec 12699 df-uz 12850 df-q 12960 df-rp 13004 df-xneg 13124 df-xadd 13125 df-xmul 13126 df-ioo 13363 df-ioc 13364 df-ico 13365 df-icc 13366 df-fz 13523 df-fzo 13670 df-fl 13812 df-mod 13890 df-seq 14025 df-exp 14085 df-fac 14297 df-bc 14326 df-hash 14354 df-shft 15090 df-cj 15136 df-re 15137 df-im 15138 df-sqrt 15272 df-abs 15273 df-limsup 15508 df-clim 15525 df-rlim 15526 df-sum 15724 df-ef 16107 df-sin 16109 df-cos 16110 df-pi 16112 df-struct 17193 df-sets 17210 df-slot 17228 df-ndx 17240 df-base 17256 df-ress 17277 df-plusg 17309 df-mulr 17310 df-starv 17311 df-sca 17312 df-vsca 17313 df-ip 17314 df-tset 17315 df-ple 17316 df-ds 17318 df-unif 17319 df-hom 17320 df-cco 17321 df-rest 17461 df-topn 17462 df-0g 17480 df-gsum 17481 df-topgen 17482 df-pt 17483 df-prds 17486 df-xrs 17542 df-qtop 17547 df-imas 17548 df-xps 17550 df-mre 17624 df-mrc 17625 df-acs 17627 df-mgm 18684 df-sgrp 18763 df-mnd 18779 df-submnd 18828 df-mulg 19120 df-cntz 19367 df-cmn 19832 df-psmet 21423 df-xmet 21424 df-met 21425 df-bl 21426 df-mopn 21427 df-fbas 21428 df-fg 21429 df-cnfld 21432 df-top 22961 df-topon 22978 df-topsp 23000 df-bases 23013 df-cld 23086 df-ntr 23087 df-cls 23088 df-nei 23165 df-lp 23203 df-perf 23204 df-cn 23294 df-cnp 23295 df-haus 23382 df-tx 23629 df-hmeo 23822 df-fil 23913 df-fm 24005 df-flim 24006 df-flf 24007 df-xms 24387 df-ms 24388 df-tms 24389 df-cncf 24947 df-limc 25935 df-dv 25936 df-log 26628 |
| This theorem is referenced by: dfrelog 26637 logrncl 26639 logcn 26719 dvloglem 26720 logf1o2 26722 dvlog 26723 dvlog2 26725 efopnlem2 26729 logtayl 26732 logblog 26864 dvatan 27007 efrlim 27041 lgamcvg2 27126 logdivsqrle 34946 dvasin 38208 dvrelog2 42686 dvrelog3 42687 readvrec2 42975 readvrec 42976 |
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